@InProceedings{XuKaCh2011,
      AUTHOR = {Xu, Fang and Kazalski, Stefan and Chrupala, Gzegorz and Roth, Benjamin and Zhao, Xujian and Wiegand, Michael and Klakow, Dietrich},
      TITLE = {Saarland University Spoken Language Systems Group at TAC KBP 2011},
      YEAR = {2011},
      MONTH = {14-15 November},
      BOOKTITLE = {Fourth Text Analysis Conference},
      ADDRESS = {Gaithersburg},
      ORGANIZATION = {NIST},
      NOTE = {DK}
}